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IS25LE02GG-RHLA2:P-TY 数据表(PDF) 164 Page - Integrated Silicon Solution, Inc

部件名 IS25LE02GG-RHLA2:P-TY
功能描述  SERIAL FLASH MEMORY 133MHZ MULTI I/O SPI & QUAD I/O QPI DTR INTERFACE WITH ON-CHIP ECC
PDF  187 Pages
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制造商  ISSI [Integrated Silicon Solution, Inc]
网页  http://www.issi.com
标志 ISSI - Integrated Silicon Solution, Inc

IS25LE02GG-RHLA2:P-TY 数据表(HTML) 164 Page - Integrated Silicon Solution, Inc

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IS25LE02GG
IS25WE02GG
Integrated Silicon Solution, Inc.- www.issi.com
164
Rev. A1
10/02/2025
8.65 GANG SECTOR/BLOCK UNLOCK OPERATION (GBUN, 98h)
The Gang Sector/Block Unlock (GBUN) instruction provides a quick method to clear all DYB (Dynamic Protection
Bit) bits to “1” at once.
Before the GBUN (98h) command can be accepted by the device, a Write Enable (WREN) command must be
issued and decoded by the device, which sets the Write Enable Latch (WEL) in the Status Register to enable any
write operations.
The sequence of issuing GBUN instruction is: drive CE# low → send GBUN instruction code → drive CE# high.
The instruction code will be shifted into the device on the rising edge of SCK.
The GBUN command is accepted in both SPI and QPI mode. The CE# must go high exactly at the byte boundary,
otherwise, the instruction will be ignored and not be executed. While the GBUN operation is in progress, the Status
Register or Extended Read Register may be read to check the value of the Write In Progress (WIP) bit. The WIP
bit is “1” during the GBUN operation, and is “0” when it is completed.
It takes 70us (typ) to complete GBUN operation.
Figure 8.145 Gang Sector/Block Unlock Sequence In SPI Mode
Instruction = 98h
CE#
SCK
SI
0
1
2
3
4
5
6
7
Mode 3
Mode 0
SO
High Impedance
Figure 8.146 Gang Sector/Block Unlock Sequence In QPI Mode
98h
CE#
SCK
IO[3:0]
0
1
Mode 3
Mode 0



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